9421 70th Pl
Mercer Island, WA 98040
4 bd 3 ba 3,550 sqft Built 1979 Lot 14,506 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,096,000 | $1,204,000 | $2,300,000 | $13,146 |
| 2024 | $774,000 | $1,232,000 | $2,006,000 | $13,228 |
| 2023 | $839,000 | $1,309,000 | $2,148,000 | $13,183 |
| 2022 | $528,000 | $1,078,000 | $1,606,000 | $11,835 |
| 2021 | $417,000 | $1,027,000 | $1,444,000 | $11,567 |
| 2020 | $722,000 | $846,000 | $1,568,000 | $12,393 |
| 2019 | $705,000 | $830,000 | $1,535,000 | $11,541 |
| 2018 | $634,000 | $751,000 | $1,385,000 | $12,021 |
| 2017 | $560,000 | $687,000 | $1,247,000 | $10,155 |
| 2016 | $508,000 | $622,000 | $1,130,000 | $9,451 |
| 2015 | $466,000 | $575,000 | $1,041,000 | $9,112 |
| 2014 | $315,000 | $567,000 | $882,000 | $8,061 |
| 2013 | $291,000 | $523,000 | $814,000 | $7,692 |
| 2012 | $266,000 | $576,000 | $842,000 | $7,301 |
| 2011 | $274,000 | $593,000 | $867,000 | $7,230 |
| 2009 | $340,000 | $735,000 | $1,075,000 | $7,414 |
| 2007 | $523,000 | $536,000 | $1,059,000 | $7,433 |
Property facts
Year built
1979
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
3,550 sqft
Lot size
14,506 sqft
ZIP code
98040
City
Mercer Island
Street
70th Pl
Coordinates
47.53991, -122.21368
Comparable properties nearby
Frequently asked questions
When did 9421 70th Pl last sell?
No public-record sale is on file for 9421 70th Pl.
What is the current tax assessment for 9421 70th Pl?
The most recent total assessment for 9421 70th Pl (year 2025) is $2,300,000 with $13,146 in property tax.
When was 9421 70th Pl built?
9421 70th Pl was built in 1979.
How does 9421 70th Pl compare to others on 70th Pl?
We track 2 other properties on 70th Pl. Browse the list under "Other properties on 70th Pl" to compare beds, baths, and sale history.
What are the property facts for 9421 70th Pl?
9421 70th Pl is a 4 bed, 3 bath, 3,550 sqft, 14,506 sqft lot single_family.
Is 9421 70th Pl a flip candidate?
No — 9421 70th Pl does not appear in our flips dataset.
Is 9421 70th Pl a tax-appeal candidate?
No — 9421 70th Pl is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.8%
Implied 1-yr
+15.2%
2026 Q3
$3.48M
2026 Q4
$3.59M
ZIP 98040 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 70th Pl